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소숫점: 1자리 덧셈13

1
1.3
+
4.4
=
5.7
2
5.5
+
3.3
=
8.8
3
8.5
+
9.3
=
17.8
4
8.9
+
3.6
=
12.5
5
3.4
+
6.5
=
9.9
6
5.4
+
3.3
=
8.7
7
1.5
+
5.2
=
6.7
8
2.3
+
2.1
=
4.4
9
8.2
+
8.5
=
16.7
10
1.2
+
8.7
=
9.9
11
3.3
+
4.4
=
7.7
12
1.6
+
8.2
=
9.8
13
2.6
+
4.5
=
7.1
14
6.3
+
1.5
=
7.8
15
1.3
+
4.4
=
5.7